FDB_MAX_CHAIN is 3. We wanted to allocate enough memory to hold four structs but there are missing parentheses so we only allocate enough memory for three structs and the first byte of the fourth one. Fixes: 328edb499f99 ("net/mlx5: Split FDB fast path prio to multiple namespaces") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 67ba4c975d81..9d73eb955f75 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -2470,7 +2470,7 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering) return -ENOMEM; steering->fdb_sub_ns = kzalloc(sizeof(steering->fdb_sub_ns) * - FDB_MAX_CHAIN + 1, GFP_KERNEL); + (FDB_MAX_CHAIN + 1), GFP_KERNEL); if (!steering->fdb_sub_ns) return -ENOMEM; -- 2.11.0